// : io/MyWorld.java
import java.io.*;
import java.util.*;
import static net.mindview.util.Print.*;

class House implements Serializable {
}


class Animal implements Serializable {
    private String name;
    private House preferredHouse;

    Animal(String nm, House h) {
        name = nm;
        preferredHouse = h;
    }

    public String toString() {
        return name + "[" + super.toString() + "], " + preferredHouse + "\n";
    }
}


public class MyWorld {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        House house = new House();
        List<Animal> animals = new ArrayList<Animal>();
        animals.add(new Animal("Bosco the dog", house));
        animals.add(new Animal("Ralph the hamster", house));
        animals.add(new Animal("Molly the cat", house));
        print("animals: " + animals);
        ByteArrayOutputStream buf1 = new ByteArrayOutputStream();
        ObjectOutputStream o1 = new ObjectOutputStream(buf1);
        o1.writeObject(animals);
        o1.writeObject(animals); // Write a 2nd set
        // Write to a different stream:
        ByteArrayOutputStream buf2 = new ByteArrayOutputStream();
        ObjectOutputStream o2 = new ObjectOutputStream(buf2);
        o2.writeObject(animals);
        // Now get them back:
        ObjectInputStream in1 = new ObjectInputStream(new ByteArrayInputStream(buf1.toByteArray()));
        ObjectInputStream in2 = new ObjectInputStream(new ByteArrayInputStream(buf2.toByteArray()));
        List animals1 = (List) in1.readObject(), animals2 = (List) in1.readObject(), animals3 = (List) in2.readObject();
        print("animals1: " + animals1);
        print("animals2: " + animals2);
        print("animals3: " + animals3);
    }
} /*
   * Output: (Sample)
   * animals: [Bosco the dog[Animal@addbf1], House@42e816
   * , Ralph the hamster[Animal@9304b1], House@42e816
   * , Molly the cat[Animal@190d11], House@42e816
   * ]
   * animals1: [Bosco the dog[Animal@de6f34], House@156ee8e
   * , Ralph the hamster[Animal@47b480], House@156ee8e
   * , Molly the cat[Animal@19b49e6], House@156ee8e
   * ]
   * animals2: [Bosco the dog[Animal@de6f34], House@156ee8e
   * , Ralph the hamster[Animal@47b480], House@156ee8e
   * , Molly the cat[Animal@19b49e6], House@156ee8e
   * ]
   * animals3: [Bosco the dog[Animal@10d448], House@e0e1c6
   * , Ralph the hamster[Animal@6ca1c], House@e0e1c6
   * , Molly the cat[Animal@1bf216a], House@e0e1c6
   * ]
   */// :~
